APA (7th ed.) Citation

Sim, D. D., & Laufer, B. (1987). Vocabulary development (Repr.). Collins ELT.

Chicago Style (17th ed.) Citation

Sim, Donald D., and Batia Laufer. Vocabulary Development. Repr. London: Collins ELT, 1987.

MLA (9th ed.) Citation

Sim, Donald D., and Batia Laufer. Vocabulary Development. Repr. Collins ELT, 1987.

Warning: These citations may not always be 100% accurate.